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Ostrovityanka [42]
3 years ago
12

The coefficients in a balanced chemical equation always can express the ratio of

Biology
1 answer:
Svetradugi [14.3K]3 years ago
8 0
The correct answer is D
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What is the connection between virus prevalence and animal populations?
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3 years ago
Need to know which is the correct answer about the trailing edge for cell bio
RUDIKE [14]

Answer:

The answer is the first option. The trailing edge is composed of many filopodia containing tight parallel bundles. These filopodia push trailing edge away from the location it was previously occupying.

Explanation:

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6 0
1 year ago
why must the symbol +- be written in front of the radical to write the inverse of the function f(x)=x^2?
oee [108]
Here is why:

When we solve for the inverse function (see the particular step below;  when we have:  " y² = x " ;

We take the "square root" of EACH SIDE of the equation; to isolate "y" as a single variable on one side of the equation;

→  √(y²) = √x ;

→ |y| = |√x| ;

y =   ± √x ; 

Because when we take the square root — or any "even root", for that matter—we have two solutions: of a variable, we have TWO SOLUTIONS:  a positive value; and a negative values;  
 
→  since:  1)  a "negative value"; multiplied by a "negative value" ;                       equals a "positive value" ;  
                 →  and as such:  a "negative value" ;
multiplied by that same "negative value" ;
           {that is:  a "negative value", "squared (i.e "raised to the power of "2"} ; ,
                 →  results in a positive value ; 
→ and since:  
                2)  a "postive value";  multiplied by a positive value" ;                       equals a "positive value" ;  
                 →  and as such:  a "positive value" ;
multiplied by that same "positive value" ; 
           {that is:  a "positive value", "squared (i.e "raised to the power of "2"} ; , 
                 →  results in a "positive value";
→ and since:
                3)  any given integer, in it "positive value", squared (i.e. raised to the power of "2");  results in a "positive value" ; 
→and since:  
               4)  that same aforementioned integer; in its "negative value" form, squared (i.e. raised to the power of "2"); results in that same aforementioned "positive value". 
________________________________________________________
Note the following:
________________________________________________________

"Given the function:  "f(x) = x² " ;   Find the "inverse function" .

Let "y" = f(x) " ; 

and write as:  " f(x) = y = x² " ;  

→  " y = x² " ; 

→ Now, rewrite the equation;  replacing the "y" with "x" ;
 and replacing the "x" with "y" ; 

→  " x = y² " ;  

Now, rewrite the question; isolating "y" as a single variable;  
   with no coefficient (save for the "implied coefficient of "1" ) ; 

→  " x = y² " ;  

↔  " y² = x ; 

Now, take  the square root of EACH SIDE of the equation; 
    to isolate "y" on one side of the equation; 

→ √(y²)  = √x ; 

→ |y| = |√x| ; 

→ y =  ± <span>√x .
</span>
Replace the "y" with " f ⁻¹(x)" ; to indicate that this the "inverse function" ; 

and write the "inverse function" :

→ " f ⁻¹(x) =  ± √x " ; 
__________________________________________________
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Which food would be best to eat for long-term energy storage? *
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